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AP7331-28WG-7 - Diodes Incorporated

Description: LDO Voltage Regulators LDO SOT-25 2.8V/300MA

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PCB Footprints
AP7331-28WG-7 - Diodes Incorporated PCB footprint - SOT23 (5-Pin) - SOT23 (5-Pin) - SOT25(H=1.45mm)
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3D Models
AP7331-28WG-7 - Diodes Incorporated  - 3D model - SOT23 (5-Pin) - SOT25(H=1.45mm)
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AP7331-28WG-7 Details

  • Manufacturer Part Number:

    AP7331-28WG-7

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOT

  • Package Description:

    GREEN, SOT-25, 5 PIN

  • Pin Count:

    5

  • Country Of Origin:

    Mainland China

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    12 Weeks

  • Manufacturer:

    Diodes Incorporated

  • YTEOL:

    7

  • Dropout Voltage1-Max:

    0.55 V

  • Dropout Voltage1-Nom:

    0.3 V

  • Input Voltage-Max:

    6 V

  • Input Voltage-Min:

    2 V

  • JESD-30 Code:

    R-PDSO-G5

  • JESD-609 Code:

    e3

  • Length:

    3 mm

  • Load Regulation-Max:

    0.0168%

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    5

  • Operating Temperature TJ-Max:

    125 °C

  • Operating Temperature TJ-Min:

    -40 °C

  • Output Current1-Max:

    0.3 A

  • Output Voltage1-Max:

    2.856 V

  • Output Voltage1-Min:

    2.744 V

  • Output Voltage1-Nom:

    2.8 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    LSSOP

  • Package Equivalence Code:

    TSOP5/6,.11,37

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, LOW PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Regulator Type:

    FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR

  • Seated Height-Max:

    1.45 mm

  • Surface Mount:

    YES

  • Terminal Finish:

    MATTE TIN

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.95 mm

  • Terminal Position:

    DUAL

  • Time@Peak Reflow Temperature-Max (s):

    30

  • Voltage Tolerance-Max:

    2%

  • Width:

    1.6 mm

AP7331-28WG-7 Frequently Asked Questions (FAQs)

  • A good PCB layout for optimal thermal performance would be to have a solid ground plane on the bottom layer, and to use thermal vias to connect the thermal pad of the AP7331-28WG-7 to the ground plane. This helps to dissipate heat efficiently.
  • To ensure the stability of the output voltage, it's essential to use a suitable output capacitor with a low ESR (Equivalent Series Resistance) and a high ripple current rating. A 10uF to 22uF ceramic capacitor is recommended. Additionally, the input capacitor should be placed close to the VIN pin to reduce noise and improve stability.
  • Although the datasheet specifies a maximum input voltage of 28V, it's recommended to limit the input voltage to 24V to ensure reliable operation and to prevent damage to the device.
  • The output voltage of the AP7331-28WG-7 can be calculated using the following formula: VOUT = 0.8V x (1 + R1/R2), where R1 and R2 are the resistors used in the feedback network. The output voltage can be adjusted by changing the ratio of R1 and R2.
  • The AP7331-28WG-7 can deliver a maximum output current of 3A. However, the actual output current may be limited by the input voltage, output voltage, and the thermal performance of the device.

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AP7331-28WG-7 Overview

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